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Home > Maintenance & Modifications > 600 bhp mods |
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tinybum Member Since: 10 Dec 2015 Location: essex Posts: 44 |
Thanks col really appreciate your response and everybody else's I look forward to discussing this with the company doing my gearbox and supercharger service tomorrow as they are the ones who advised on upgrading the fuel system. Can not believe I actually found someone to do the supercharger service I have been looking for 4 months nobody wanted to do it |
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Thu Jul 27 2017 10:55pm |
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Col Member Since: 02 Sep 2012 Location: Hawkes Bay NZ Posts: 4833 |
Not sure how they mean to upgrade the fuel system, but unless L/R have revised there prices somewhat a set of genuine L/R injectors were 6K yes that's 6000.00 pounds for a S/C.
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Thu Jul 27 2017 11:04pm |
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RRSTDV8 Member Since: 13 Aug 2011 Location: Northamptonshire Posts: 8828 |
No idea DM, but I wouldn't be surprised. The 4.2 had an uprated version of the 6HP26 to handle its extra power over the diesels. 2012 SDV6 - it's missing a couple of cylinders 2008 TDV8 - it was a labour of love and is much missed |
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Thu Jul 27 2017 11:13pm |
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Col Member Since: 02 Sep 2012 Location: Hawkes Bay NZ Posts: 4833 |
According to the build spec. on mine which is a 5.0L S/C MY13 RRS1 it has the 6HP28 transmission fitted. Not sure how accurate this quote is from a article I read, something about a second generation series. "ZF says the new 6HP28 can handle engines with a torque output of up to 553 lb.-ft. (750 Nm), which covers a wide range of large-displacement gasoline and diesel engines". I also thought the 5.0L S/C produced 460 lbs/ft - 625 Nm of torque in standard form, but could be wrong on that one. Cheers Col |
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Fri Jul 28 2017 3:08am |
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tinybum Member Since: 10 Dec 2015 Location: essex Posts: 44 |
As far as I can tell you are absolutely correct with your figures I need to confirm what unit is in place and then go from there if the unit can handle 750 nm (the estimated figure of the stage 2 conversion)I am concerned about running it so close to the upper tolerance |
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Fri Jul 28 2017 6:08am |
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Disco_Mikey Member Since: 08 Apr 2012 Location: Dundee, Scotland Posts: 4332 |
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Fri Jul 28 2017 6:40am |
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naks Member Since: 15 Jul 2016 Location: Stellenbosch Posts: 1121 |
Thanks Col, very valuable feedback.
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Fri Jul 28 2017 8:30am |
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Col Member Since: 02 Sep 2012 Location: Hawkes Bay NZ Posts: 4833 |
I had the remap done about 18 months ago and have had absolutely no issues with the drivetrain at all, I also have 21" SVR wheels fitted not sure whether they may increase the load as well. As far as fuel consumption is concerned it has probably improved by between 1-1.5 mpg which may not seem a lot but when you only get around 13 mpg I suppose it is, but if fuel consumption is a issue then they are the wrong vehicle to buy.
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Fri Jul 28 2017 10:17am |
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geoffsnook Member Since: 19 Nov 2016 Location: cardiff Posts: 1699 |
Bet it dont take you long to get there |
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Fri Jul 28 2017 10:19am |
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Col Member Since: 02 Sep 2012 Location: Hawkes Bay NZ Posts: 4833 |
Last time it took about 6 weeks in a iso container, but it did do about 12000mpg for the trip which ain't bad.
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Fri Jul 28 2017 10:25am |
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geoffsnook Member Since: 19 Nov 2016 Location: cardiff Posts: 1699 |
like that mpg |
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Fri Jul 28 2017 10:31am |
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tinybum Member Since: 10 Dec 2015 Location: essex Posts: 44 |
Well pleased to say I spent a fantastic day yesterday at Turners diagnostics having my gearbox flushed and gearbox sump upgraded from plastic to metal also had axle oils changed at 56k i was shocked and stunned how badly the oils had degraded on what i consider a low mileage car we discussed the upgrades I am looking at and have been reassured that although there is never a 100% guarantee they cant see a problem with running 600bhp/750nm |
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Sat Jul 29 2017 10:21am |
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